Compatible with: Dell Laser: E310dw, E514dw Dell Multi-Function: E515dn, E515dw This is the Compatible Higher Yield Version of: Dell 593-BBKC CVXGF Page Yield*: 2,600 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) Dell is a registered trademark of Dell and is not affiliated with and does not endorse LD Products. Professionally manufactured by LD Products Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.